WO2022139172A1 - Cartouche d'humidificateur pour pile à combustible et humidificateur pour pile à combustible - Google Patents

Cartouche d'humidificateur pour pile à combustible et humidificateur pour pile à combustible Download PDF

Info

Publication number
WO2022139172A1
WO2022139172A1 PCT/KR2021/016392 KR2021016392W WO2022139172A1 WO 2022139172 A1 WO2022139172 A1 WO 2022139172A1 KR 2021016392 W KR2021016392 W KR 2021016392W WO 2022139172 A1 WO2022139172 A1 WO 2022139172A1
Authority
WO
WIPO (PCT)
Prior art keywords
limiting
gas
fuel cell
inner case
control cover
Prior art date
Application number
PCT/KR2021/016392
Other languages
English (en)
Korean (ko)
Inventor
김도우
양형모
허중근
Original Assignee
코오롱인더스트리 주식회사
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 코오롱인더스트리 주식회사 filed Critical 코오롱인더스트리 주식회사
Priority to CN202180081792.8A priority Critical patent/CN116583343A/zh
Priority to CA3196328A priority patent/CA3196328A1/fr
Priority to US18/248,748 priority patent/US20230411649A1/en
Priority to EP21911239.8A priority patent/EP4258393A1/fr
Publication of WO2022139172A1 publication Critical patent/WO2022139172A1/fr

Links

Images

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M8/00—Fuel cells; Manufacture thereof
    • H01M8/04—Auxiliary arrangements, e.g. for control of pressure or for circulation of fluids
    • H01M8/04082—Arrangements for control of reactant parameters, e.g. pressure or concentration
    • H01M8/04089—Arrangements for control of reactant parameters, e.g. pressure or concentration of gaseous reactants
    • H01M8/04119—Arrangements for control of reactant parameters, e.g. pressure or concentration of gaseous reactants with simultaneous supply or evacuation of electrolyte; Humidifying or dehumidifying
    • H01M8/04126—Humidifying
    • H01M8/04149—Humidifying by diffusion, e.g. making use of membranes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D63/00—Apparatus in general for separation processes using semi-permeable membranes
    • B01D63/02—Hollow fibre modules
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D63/00—Apparatus in general for separation processes using semi-permeable membranes
    • B01D63/02—Hollow fibre modules
    • B01D63/031—Two or more types of hollow fibres within one bundle or within one potting or tube-sheet
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M8/00—Fuel cells; Manufacture thereof
    • H01M8/04—Auxiliary arrangements, e.g. for control of pressure or for circulation of fluids
    • H01M8/04082—Arrangements for control of reactant parameters, e.g. pressure or concentration
    • H01M8/04089—Arrangements for control of reactant parameters, e.g. pressure or concentration of gaseous reactants
    • H01M8/04119—Arrangements for control of reactant parameters, e.g. pressure or concentration of gaseous reactants with simultaneous supply or evacuation of electrolyte; Humidifying or dehumidifying
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M8/00—Fuel cells; Manufacture thereof
    • H01M8/04—Auxiliary arrangements, e.g. for control of pressure or for circulation of fluids
    • H01M8/04082—Arrangements for control of reactant parameters, e.g. pressure or concentration
    • H01M8/04089—Arrangements for control of reactant parameters, e.g. pressure or concentration of gaseous reactants
    • H01M8/04119—Arrangements for control of reactant parameters, e.g. pressure or concentration of gaseous reactants with simultaneous supply or evacuation of electrolyte; Humidifying or dehumidifying
    • H01M8/04126—Humidifying
    • H01M8/04141—Humidifying by water containing exhaust gases
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2313/00—Details relating to membrane modules or apparatus
    • B01D2313/20—Specific housing
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2313/00—Details relating to membrane modules or apparatus
    • B01D2313/44—Cartridge types
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2313/00—Details relating to membrane modules or apparatus
    • B01D2313/54—Modularity of membrane module elements
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M8/00—Fuel cells; Manufacture thereof
    • H01M8/10—Fuel cells with solid electrolytes
    • H01M2008/1095—Fuel cells with polymeric electrolytes
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/30—Hydrogen technology
    • Y02E60/50—Fuel cells

Definitions

  • the present invention relates to a humidifier for a fuel cell for supplying humidified gas to the fuel cell.
  • fuel cells can produce electricity continuously as long as hydrogen and oxygen are supplied, and there is no heat loss, so the efficiency is about twice that of an internal combustion engine.
  • the fuel cell has the advantage of being environmentally friendly and reducing concerns about resource depletion due to increased energy consumption.
  • PEMFC Polymer Electrolyte Membrane Fuel Cell
  • PAFC Phosphoric Acid Fuel Cell
  • MCFC Molten Carbonate Fuel Cell
  • SOFC Solid Oxide Fuel Cell
  • AFC Alkaline Fuel Cell
  • PEMFC polymer electrolyte fuel cell
  • PEMFC polymer electrolyte fuel cell
  • MEA membrane-electrode assembly
  • a bubbler humidification method in which water is supplied by passing a target gas through a diffuser after filling a pressure-resistant container with water, 2) the amount of supplied water required for fuel cell reaction
  • a direct injection method in which moisture is calculated and directly supplying moisture to a gas flow pipe through a solenoid valve
  • 3) a humidification membrane method in which moisture is supplied to a fluidized bed of gas using a polymer membrane.
  • the membrane humidification method of humidifying the polymer electrolyte membrane by providing water vapor to the air supplied to the polymer electrolyte membrane using a membrane that selectively transmits only water vapor contained in the exhaust gas is advantageous in that the humidifier can be reduced in weight and size.
  • the selective permeable membrane used in the membrane humidification method is preferably a hollow fiber membrane having a large permeation area per unit volume when forming a module. That is, when a humidifier is manufactured using a hollow fiber membrane, the high integration of the hollow fiber membrane with a large contact surface area is possible, so that the fuel cell can be sufficiently humidified even with a small capacity, and low-cost materials can be used, and the fuel cell discharges at high temperature. It has the advantage that it can be reused through a humidifier by recovering moisture and heat contained in the off-gas.
  • FIG. 1 is a schematic exploded perspective view of a conventional fuel cell humidifier.
  • the humidifier 100 of a conventional membrane humidification method has a humidification module 110 in which moisture exchange occurs between air supplied from the outside and exhaust gas discharged from a fuel cell stack (not shown) and the humidification. It includes caps 120 coupled to both ends of the module 110 .
  • One of the caps 120 transfers air supplied from the outside to the humidification module 110 , and the other transfers air humidified by the humidification module 110 to the fuel cell stack.
  • the humidification module 110 includes a mid-case 111 having an off-gas inlet 111a and an off-gas outlet 111b, and the It includes a plurality of hollow fiber membranes 112 in the mid-case 111 . Both ends of the bundle of the hollow fiber membranes 112 are potted in the fixing layer 113 .
  • the fixing layer 113 is generally formed by curing a liquid polymer such as a liquid polyurethane resin through a casting method.
  • the fixing layer 113 in which the ends of the hollow fiber membranes 112 are potted and the resin layer 114 between the fixing layer 113 and the mid-case 111 form the inner spaces of the caps 120 in the mid - Blocked from the inner space of the case (111).
  • the resin layer 114 is generally formed by curing a liquid polymer such as a liquid polyurethane resin through a casting method.
  • the exhaust gas contacts the outer surface of the hollow fiber membranes 112 moisture contained in the exhaust gas penetrates the hollow fiber membranes 112 , thereby humidifying the air flowing along the hollow of the hollow fiber membranes 112 . do.
  • the present invention has been devised to solve the above-mentioned needs, and to provide a fuel cell humidifier cartridge and fuel cell humidifier that can have various humidification performance required by fuel cells.
  • the present invention may include the following configuration.
  • a humidifier for a fuel cell includes: a humidification module for humidifying dry gas supplied from the outside using the wet gas discharged from the fuel cell stack; a first cap coupled to one end of the humidifying module; and a second cap coupled to the other end of the humidifying module.
  • the humidifying module includes: a mid-case having both ends open; and at least one cartridge (Cartridge) disposed in the mid-case and including a plurality of hollow fiber membranes.
  • the cartridge may include an inner case having an opening at the end and containing the plurality of hollow fiber membranes.
  • the inner case may include a gas inlet for introducing the wet gas or the drying gas, and a gas outlet for the outflow of the wet gas or the drying gas.
  • an adjustment cover for adjusting at least one of an inlet area through which the wet gas or dry gas flows through the gas inlet and an outlet area through which the wet gas or dry gas flows out through the gas outlet may be movably coupled to the inner case have.
  • the cartridge of the humidifier for fuel cell according to the present invention is for humidifying the dry gas supplied from the outside using the wet gas discharged from the fuel cell stack.
  • the cartridge of the fuel cell humidifier according to the present invention has an opening (Opening) at the end of the inner case (Inner Case) containing the plurality of hollow fiber membranes; a gas inlet and a gas outlet formed in the inner case; and an adjustment cover movably coupled to the inner case and configured to adjust at least one of an inlet area through which the wet gas or dry gas flows through the gas inlet and an outlet area through which the wet gas or dry gas flows out through the gas outlet. ; may be included.
  • the present invention is implemented so that at least one of an inlet area through which the wet gas or dry gas flows and an outlet area through which the wet gas or dry gas flows can be adjusted. Accordingly, the present invention is implemented to have various humidification performance, thereby improving versatility applicable to fuel cells used in various places of use.
  • FIG. 1 is a schematic exploded perspective view of a conventional fuel cell humidifier
  • FIG. 2 is a schematic exploded perspective view of a humidifier for a fuel cell according to the present invention
  • FIG. 3 is a schematic exploded cross-sectional view showing a fuel cell humidifier according to the present invention taken along line I-I of FIG.
  • FIG. 4 is a schematic cross-sectional view showing the fuel cell humidifier according to the present invention taken along line I-I of FIG. 2;
  • FIG. 5 and 6 are schematic plan views of a cartridge of a fuel cell humidifier according to the present invention.
  • FIG. 7 is a schematic side cross-sectional view showing a cartridge of a fuel cell humidifier according to the present invention, taken along the line II-II of FIG.
  • FIG. 8 is a schematic plan view showing a state in which the control cover is coupled to the inner case in the cartridge of the humidifier for fuel cell according to the present invention
  • FIG. 9 is a schematic side cross-sectional view showing a cartridge of a fuel cell humidifier according to the present invention, taken along line III-III of FIG.
  • 10 to 12 are schematic side cross-sectional views showing embodiments of a limiting part in a cartridge of a fuel cell humidifier according to the present invention, taken along line III-III of FIG.
  • the humidifier 1 for a fuel cell is for humidifying the dry gas supplied from the outside using the wet gas discharged from the fuel cell stack (not shown).
  • the drying gas may be fuel gas or air.
  • the dry gas may be supplied to the fuel cell stack after being humidified by the wet gas.
  • a fuel cell humidifier (1) according to the present invention includes a humidifying module (2) for humidifying dry gas, a first cap (3) coupled to one end of the humidifying module (2), and the other end of the humidifying module (2). and a second cap (4) coupled to the .
  • the humidification module 2 humidifies the dry gas supplied from the outside.
  • the first cap 3 may be coupled to one end of the humidification module 2 .
  • the second cap 4 may be coupled to the other end of the humidification module 2 .
  • the first cap 3 may deliver the dry gas to the humidification module 2 .
  • the second cap 4 may deliver the dry gas humidified by the wet gas in the humidification module 2 to the fuel cell stack.
  • the first cap 3 may deliver the humidification gas to the humidification module 2 .
  • the second cap 4 may discharge the wet gas after humidifying the dry gas in the humidification module 2 to the outside.
  • the humidification module 2 includes at least one cartridge 21 , and a mid-case 22 .
  • the cartridge 21 is disposed in the mid-case 22 , and includes a plurality of hollow fiber membranes 211 .
  • the hollow fiber membranes 211 may be modularized by being coupled to the cartridge 21 . Accordingly, through the process of coupling the cartridge 21 to the mid-case 22 , the hollow fiber membranes 211 may be installed inside the mid-case 22 . Accordingly, the fuel cell humidifier 1 according to the present invention can improve the ease of installation, separation, and replacement of the hollow fiber membranes 211 .
  • the cartridge 21 may be implemented as a cartridge of a fuel cell humidifier according to the present invention.
  • the cartridge 21 may include an inner case 212 .
  • the inner case 212 has an opening at the end, and the plurality of hollow fiber membranes 211 are contained therein.
  • the hollow fiber membranes 211 may be modularized by being disposed inside the inner case 212 .
  • the hollow fiber membranes 211 are polysulfone resin, polyethersulfone resin, sulfonated polysulfone resin, polyvinylidene fluoride (PVDF) resin, polyacrylonitrile (PAN) resin, polyimide resin, polyamideimide resin, It may include a polymer film formed of a polyester imide resin, or a mixture of two or more thereof.
  • the cartridge 21 may include fixing layers 213 and 214 .
  • the fixing layers 213 and 214 have potted distal ends of the plurality of hollow fiber membranes 211 , and close the opening of the inner case 212 .
  • One side of the plurality of hollow fiber membranes 211 may be fixed by the fixing layer 213
  • the other side of the plurality of hollow fiber membranes 211 may be fixed by the fixing layer 214 .
  • the fixing layers 213 and 214 may be formed by curing a liquid resin such as a liquid polyurethane resin through a casting process.
  • the fixing layers 213 and 214 may fix the distal ends of the plurality of hollow fiber membranes 211 and the inner case 212 .
  • the fixing layers 213 and 214 may be formed so as not to block the hollows of the plurality of hollow fiber membranes 211 . Accordingly, the dry gas or wet gas supplied from the outside can be supplied into the hollows of the hollow fiber membranes 211 without interfering with the fixed layers 213 and 214, and being obstructed with the fixed layers 213 and 214 It may flow out of the hollow of the hollow fiber membranes 211 without it.
  • the mid-case 22 is to which the cartridge 21 is coupled.
  • the cartridge 21 may be disposed inside the mid-case 22 . Both ends of the mid-case 22 are open.
  • a receiving hole 221 may be formed in the mid-case 22 .
  • the receiving hole 221 may be formed to penetrate the mid-case 22 in a first axial direction (X-axis direction).
  • An inlet 222 and an outlet 223 may be formed at one side of the mid-case 22 .
  • the inlet 222 may introduce a wet gas or a dry gas into the mid-case 22 .
  • the outlet 223 may discharge a wet gas or a dry gas from the inside of the mid-case 22 .
  • the inlet 222 , the outlet 223 , and the mid-case 22 may be integrally formed.
  • the humidification module 2 may include a plurality of packing members 23 and 23'.
  • the packing members 23 and 23' seal between the cartridge 21 and the mid-case 22 to prevent direct mixing of the dry gas and the wet gas.
  • the packing members 23 and 23 ′ may be inserted between the cartridge 21 and the mid-case 22 .
  • the cartridge 21 may be inserted into the first through-holes 23a and 23a' formed in the packing members 23 and 23'.
  • the packing members 23 and 23' may be disposed on both sides of the cartridge 21, respectively.
  • resin layers may be formed on both sides of the cartridge 21 instead of the packing members 23 and 23'.
  • the resin layers may be formed by curing a liquid polymer such as a liquid polyurethane resin through a casting method.
  • the first cap 3 is coupled to one end of the humidification module 2 .
  • the space between the first cap 3 and the cartridge 21 may be sealed with respect to the space between the cartridge 21 and the mid-case 22 by the packing member 23 or the resin layer. have.
  • the second cap 4 is coupled to the other end of the humidification module 2 .
  • the second cap 4 may be coupled to the other end of the humidifying module 2 at a position spaced apart from the first cap 3 in the first axial direction (X-axis direction).
  • the space between the second cap 4 and the cartridge 21 may be sealed with respect to the space between the cartridge 21 and the mid-case 22 by the packing member 23 ′ or a resin layer.
  • the humidifier 1 for fuel cell according to the present invention may be implemented as follows so that various humidification performance can be provided through the cartridge 21 .
  • the cartridge 21 may include a gas inlet 215 and a gas outlet 216 .
  • the gas inlet 215 is formed in the inner case 212 .
  • the gas inlet 215 may be formed on one side 2120 of the inner case 212 . Referring to FIG. 7 , one side 2120 of the inner case 212 may correspond to an upper surface.
  • the gas inlet 215 may introduce a wet gas or a dry gas into the inner case 212 .
  • the gas inlet 215 may be formed through the inner case 212 . 5 and 7 , the gas inlet 215 may be implemented as a single through hole penetrating the inner case 212 . As shown in FIG. 6 , the gas inlet 215 may be implemented as a plurality of through-holes penetrating the inner case 212 .
  • the gas inlet 215 may include a plurality of inlet windows 215a formed to pass through different portions of the inner case 212 .
  • the inflow windows 215a may be spaced apart from each other in each of the first axial direction (X-axis direction) and the second axial direction (Y-axis direction) to form a matrix.
  • the second axial direction (Y-axis direction) is an axial direction perpendicular to the first axial direction (X-axis direction).
  • the gas outlet 216 is formed in the inner case 212 .
  • the gas outlet 216 may be formed on one side 2120 of the inner case 212 .
  • the gas outlet 216 may discharge wet gas or dry gas from the inside of the inner case 212 .
  • the gas outlet 216 may be formed through the inner case 212 . 5 and 7 , the gas outlet 216 may be implemented as a single through-hole penetrating the inner case 212 .
  • the gas outlet 216 may be implemented as a plurality of through holes penetrating the inner case 212 .
  • the gas outlet 216 may include a plurality of outlet windows 216a formed to pass through different portions of the inner case 212 .
  • the outflow windows 216a may be spaced apart from each other in each of the first axial direction (X-axis direction) and the second axial direction (Y-axis direction) to form a matrix.
  • the gas outlet 216 and the gas inlet 215 may be disposed at positions spaced apart from each other in the first axial direction (X-axis direction).
  • the wetting gas flows through the gas outlet 216 and the gas inlet 215 , the wetting gas flows through the inlet 222 to the inner surface of the mid-case 22 and the outer surface of the inner case 212 . It is supplied to the inside of the inner case 212 through the gas inlet 215 and may be in contact with the outer surfaces of the hollow fiber membranes 211 . In this process, moisture contained in the wet gas penetrates the hollow fiber membranes 211 , thereby humidifying the dry gas flowing along the hollows of the hollow fiber membranes 211 . The humidified dry gas may be supplied to the fuel cell stack through the second cap 4 after flowing out from the hollow fiber membranes 211 .
  • the wet gas after humidifying the dry gas flows out between the outer surface of the inner case 212 and the inner surface of the mid-case 22 through the gas outlet 216, and through the outlet 223, the mid - May be leaked to the outside of the case (22).
  • the inlet 222 may be connected to the fuel cell stack to receive the wet gas.
  • the wet gas may be off-gas discharged from the fuel cell stack.
  • the drying gas flows through the gas outlet 216 and the gas inlet 215 , the drying gas flows through the inlet 222 to the inner surface of the mid-case 22 and the outer surface of the inner case 212 . It is supplied to the inside of the inner case 212 through the gas inlet 215 and may be in contact with the outer surfaces of the hollow fiber membranes 211 . In this process, moisture of the wet gas flowing along the hollows of the hollow fiber membranes 211 penetrates the hollow fiber membranes 211 , thereby humidifying the dry gas flowing into the inner case 212 . The humidified dry gas flows out between the outer surface of the inner case 212 and the inner surface of the mid-case 22 through the gas outlet 216 , and the mid-case 22 through the outlet 223 .
  • the first cap 3 may be connected to the fuel cell stack to receive the wet gas.
  • the cartridge 21 may include an adjustment cover 217 .
  • the control cover 217 controls at least one of an inflow area and an outflow area.
  • the inlet area is the area of a passage through which the wet gas or dry gas flows through the gas inlet 215, and is the remaining area except for the area covered by the control cover 217 from the total area of the gas inlet 215.
  • the outlet area is the area of the passage through which the wet gas or dry gas flows through the gas outlet 216, and is the remaining area except for the area covered by the control cover 217 from the total area of the gas outlet 216.
  • the control cover 217 may be movably coupled to the inner case 212 .
  • the area covered by at least one of the gas inlet 215 and the gas outlet 216 is controlled by the movement of the control cover 217 , so that at least one of the inlet area and the outlet area may be adjusted.
  • the inflow area may decrease. Accordingly, since the flow rate per unit time of the wet or dry gas flowing into the inner case 212 through the gas inlet 215 decreases, the humidification performance of the cartridge 21 can be adjusted.
  • the inflow area may increase. Accordingly, since the flow rate per unit time of the wet or dry gas flowing into the inner case 212 through the gas inlet 215 increases, the humidification performance of the cartridge 21 can be adjusted.
  • the humidification performance of the cartridge 21 is adjusted by adjusting the area covering the gas inlet 215 using the control cover 217 to adjust the inlet area. It is implemented so that it can be adjusted. Therefore, the humidifier 1 for fuel cell according to the present invention can be implemented to have humidification performance suitable for the fuel cell used in the place of use.
  • the outlet area may decrease. Accordingly, since the flow rate per unit time of the wet gas or the dry gas flowing out of the inner case 212 through the gas outlet 216 is reduced, the humidification performance of the cartridge 21 can be adjusted.
  • the outlet area may increase. Accordingly, since the outflow rate per unit time of the wet gas or the dry gas flowing out of the inner case 212 through the gas outlet 216 increases, the humidification performance of the cartridge 21 can be adjusted.
  • the humidification performance of the cartridge 21 is controlled by adjusting the area covering the gas outlet 216 using the control cover 217 to adjust the outlet area. It is implemented so that it can be adjusted. Therefore, the humidifier 1 for fuel cell according to the present invention can be implemented to have humidification performance suitable for the fuel cell used in the place of use.
  • the control cover 217 may adjust the humidification performance of the cartridge 21 by adjusting the inflow area and the outflow area to be different from each other.
  • the inlet area may become larger than the outlet area. have.
  • the control cover 217 covers the gas outlet 216
  • the inlet area may be larger than the outlet area.
  • the outflow flow rate per unit time of the wet gas or the dry gas flowing out from the inside of the inner case 212 through the gas outlet 216 may be smaller than the inflow flow rate per hour. Accordingly, since the residence time during which the wet gas or the dry gas stays inside the inner case 212 is increased, the humidifying performance of the cartridge 21 can be improved. Therefore, the humidifier 1 for a fuel cell according to the present invention can be suitably implemented for a fuel cell used in a place where the required humidification performance is high.
  • the inlet area becomes smaller than the outlet area.
  • the control cover 217 reduces the area covering the gas outlet 216 without changing the area covering the gas inlet 215, and the control cover 217 closes the gas outlet 216
  • the inlet area may be smaller than the outlet area.
  • An outflow flow rate per unit time of the wet gas or dry gas flowing out from the inside of the inner case 212 through the gas outlet 216 may be greater than the inflow flow rate per hour. Accordingly, since the residence time during which the wet gas or the dry gas stays inside the inner case 212 is reduced, the humidification performance of the cartridge 21 can be adjusted to suit the humidification performance required by the place of use. Therefore, the humidifier 1 for fuel cell according to the present invention can be implemented to have humidification performance suitable for the fuel cell used in the place of use.
  • the control cover 217 may be coupled to the inner case 210 to be movable in the first axial direction (X-axis direction) while covering one side 2120 of the inner case 212 .
  • the control cover 217 may be moved along the first axial direction (X-axis direction) by an external force provided by an operator or the like.
  • the control cover 217 may be formed to be sized to cover the entire gas inlet 215 .
  • the control cover 217 may be sized to cover the entire gas outlet 216 .
  • the control cover 217 may adjust the inflow area by adjusting the number of the gas inlet 215 covering the inflow windows 215a.
  • the control cover 217 may adjust the outlet area by adjusting the number of the gas outlet 216 covering the outlet windows 216a.
  • the control cover 217 may include an inlet cover 217a.
  • the inlet area of the inlet cover 217a may be adjusted by adjusting the area that covers the gas inlet 215 .
  • the inlet area of the inlet cover 217a may be adjusted by adjusting the number of the inlet windows 215a of the gas inlet 215 covered by the inlet cover 217a.
  • the inlet cover 217a may be movably coupled to the inner case 212 .
  • the control cover 217 may include an outlet cover 217b.
  • the outlet cover 217b may adjust the outlet area by adjusting the area that covers the gas outlet 216 .
  • the outlet cover 217b may adjust the outlet area by controlling the number of the outlet windows 216a of the gas outlet 216 to be covered.
  • the outlet cover 217b may be movably coupled to the inner case 212 .
  • the control cover 217 may include only the inlet cover 217a or may include only the outlet cover 217b.
  • the control cover 217 may include both the inlet cover 217a and the outlet cover 217b. That is, the control cover 217 may include at least one of the inlet cover 217a and the outlet cover 217b.
  • the cartridge 21 may include a limiting part 218 .
  • the limiting part 218 limits the movement of the adjustment cover 217 . Since the movement of the control cover 217 is restricted by the limiting part 218 , in the fuel cell humidifier 1 according to the present invention, the control cover 217 is arbitrarily moved by external force generated by vibration, shaking, etc. can be prevented from becoming Therefore, in the fuel cell humidifier 1 according to the present invention, at least one of the inflow area and the outflow area can be firmly maintained in a state controlled by the control cover 217, so it is suitable for a fuel cell used in a place of use. It can be maintained with suitable humidification performance. In the limiting part 218, the control cover 217 can be moved by an external force provided by an operator, etc. (217) can be restricted so that it does not move. When both the control cover 217 and the inlet cover 217a and the outlet cover 217b are included, the limiting part 218 may be applied to each of the inlet cover 217a and the outlet cover 217b. have.
  • the limiter 218 may be implemented in various embodiments depending on the structure. Hereinafter, embodiments of the limiter 218 will be sequentially described with reference to the accompanying drawings.
  • the limiting part 218 may include a limiting protrusion 218a and a plurality of limiting grooves 218b.
  • the limiting protrusion 218a may protrude from the adjusting cover 217 .
  • the limiting protrusion 218a may protrude from one surface of the control cover 217 toward the inner case 212 .
  • One surface of the adjustment cover 217 may correspond to the lower surface of the adjustment cover 217 when referring to FIG. 10 .
  • the movement of the control cover 217 may be restricted. Accordingly, the limiting part 218 can prevent the adjustment cover 217 from being moved arbitrarily by an external force generated by vibration, shaking, or the like.
  • the limiting protrusion 218a may be formed in a shape that decreases in size as it protrudes from the control cover 217 . Accordingly, the limiting protrusion 218a can prevent the adjustment cover 217 from being moved arbitrarily by external force generated by vibration, shaking, etc. may be implemented so that it can be moved smoothly. For example, as shown in FIG.
  • the limiting protrusion 218a may be formed to have a cross-section of a trapezoidal shape that decreases in size as it protrudes from the control cover 217 .
  • the limiting protrusion 218a may be formed to have a semicircular cross-section that decreases in size as it protrudes from the control cover 217 .
  • the limiting grooves 218b are formed in the inner case 212 .
  • the limiting grooves 218b may be disposed to be spaced apart from each other along the moving direction of the control cover 217 . Accordingly, as the control cover 217 is moved, the limiting groove 218b into which the limiting protrusion 218a is inserted may be changed.
  • Each of the limiting grooves 218b may be formed in a form complementary to the limiting protrusion 218a.
  • the limiting grooves 218b may be formed on one surface of the inner case 212 facing the control cover 217 .
  • One surface of the inner case 212 may correspond to an upper surface of the inner case 212 with reference to FIG. 10 .
  • the limiting grooves 218b may be formed by machining a groove on the outer surface of the inner case 212 .
  • the limiting part 218 may include a plurality of limiting protrusions 218a and limiting grooves 218b.
  • the limiting protrusions 218a may protrude from the inner case 212 .
  • the limiting protrusions 218a may protrude from one surface of the inner case 212 toward the control cover 217 .
  • One surface of the inner case 212 may correspond to an upper surface of the inner case 212 with reference to FIG. 11 .
  • the movement of the adjusting cover 217 may be restricted. Accordingly, the limiting part 218 can prevent the adjustment cover 217 from being moved arbitrarily by an external force generated by vibration, shaking, or the like.
  • Each of the limiting protrusions 218a may be formed in a shape that decreases in size as it protrudes from the inner case 212 . Accordingly, the limiting projections 218a can prevent the adjustment cover 217 from being moved arbitrarily by external force generated by vibration, shaking, etc. ) can be implemented so that it can be moved smoothly. For example, as shown in FIG.
  • each of the limiting protrusions 218a may be formed to have a trapezoidal cross-section whose size decreases as it protrudes from the inner case 212 .
  • each of the limiting projections 218a may be formed to have a semicircular cross-section whose size decreases as it protrudes from the inner case 212 .
  • the limiting projections 218a may be disposed to be spaced apart from each other along the moving direction of the control cover 217 . Accordingly, as the control cover 217 is moved, the limiting protrusion 218a inserted into the limiting groove 218b may be changed.
  • the limiting groove 218b is formed in the adjusting cover 217 .
  • the limiting groove 218b may be formed on one surface of the adjustment cover 217 facing the inner case 212 .
  • One surface of the adjustment cover 217 may correspond to the bottom surface of the adjustment cover 217 when referring to FIG. 11 .
  • the limiting groove 218b may be formed by machining a groove on the lower surface of the control cover 217 .
  • the limiting groove 218b may be formed in a form complementary to each of the limiting protrusions 218a.
  • the limiting part 218 may include a plurality of limiting grooves 218b, limiting holes 218c, and limiting members 218d.
  • the limiting grooves 218b are formed in the inner case 212 .
  • the limiting grooves 218b may be disposed to be spaced apart from each other along the moving direction of the control cover 217 .
  • the limiting grooves 218b may be formed on one surface of the inner case 212 facing the control cover 217 .
  • One surface of the inner case 212 may correspond to an upper surface of the inner case 212 with reference to FIG. 12 .
  • the limiting grooves 218b may be formed by machining a groove on the outer surface of the inner case 212 .
  • the limiting hole 218c is formed in the control cover 217 .
  • the limiting hole 218c may be formed through the control cover 217 .
  • the limiting hole 218c may be connected to any one of the limiting grooves 217b. Accordingly, the limiting groove 217b into which the limiting member 218d is inserted may be changed.
  • the limiting member 218d is detachably coupled to the control cover 217 and the inner case 212 . As the limiting member 218d is inserted into any one of the limiting grooves 218b and the limiting hole 218c, the movement of the adjusting cover 217 may be restricted. Accordingly, the limiting part 218 can prevent the adjustment cover 217 from being moved arbitrarily by an external force generated by vibration, shaking, or the like.
  • the limiting member 218d may be inserted into the limiting groove 218b and the limiting hole 218c disposed to be connected to the limiting hole 218c among the limiting grooves 218b.

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Sustainable Development (AREA)
  • Sustainable Energy (AREA)
  • Electrochemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Fuel Cell (AREA)
  • Air Humidification (AREA)

Abstract

La présente invention concerne une cartouche d'un humidificateur pour une pile à combustible permettant d'humidifier du gaz sec fourni depuis l'extérieur à l'aide d'un gaz humide évacué d'un empilement de piles à combustible et un humidificateur pour une pile à combustible, la cartouche comprenant : un boîtier interne ayant des ouvertures à chaque extrémité de celui-ci et contenant une pluralité de membranes à fibres creuses ; une entrée de gaz et une sortie de gaz formées dans le boîtier interne ; et un couvercle d'ajustement accouplé de façon mobile au boîtier intérieur et ajustant au moins l'une parmi une zone d'entrée à travers laquelle le gaz humide ou le gaz sec circule à travers l'entrée de gaz et une zone de sortie à travers laquelle le gaz humide ou le gaz sec circule à travers la sortie de gaz.
PCT/KR2021/016392 2020-12-21 2021-11-11 Cartouche d'humidificateur pour pile à combustible et humidificateur pour pile à combustible WO2022139172A1 (fr)

Priority Applications (4)

Application Number Priority Date Filing Date Title
CN202180081792.8A CN116583343A (zh) 2020-12-21 2021-11-11 燃料电池加湿器的盒和燃料电池加湿器
CA3196328A CA3196328A1 (fr) 2020-12-21 2021-11-11 Cartouche d'humidificateur pour pile a combustible et humidificateur pour pile a combustible
US18/248,748 US20230411649A1 (en) 2020-12-21 2021-11-11 Cartridge of humidifier for fuel cell and humidifier for fuel cell
EP21911239.8A EP4258393A1 (fr) 2020-12-21 2021-11-11 Cartouche d'humidificateur pour pile à combustible et humidificateur pour pile à combustible

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR20200179261 2020-12-21
KR10-2020-0179261 2020-12-21

Publications (1)

Publication Number Publication Date
WO2022139172A1 true WO2022139172A1 (fr) 2022-06-30

Family

ID=82158166

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/KR2021/016392 WO2022139172A1 (fr) 2020-12-21 2021-11-11 Cartouche d'humidificateur pour pile à combustible et humidificateur pour pile à combustible

Country Status (6)

Country Link
US (1) US20230411649A1 (fr)
EP (1) EP4258393A1 (fr)
KR (1) KR20220089622A (fr)
CN (1) CN116583343A (fr)
CA (1) CA3196328A1 (fr)
WO (1) WO2022139172A1 (fr)

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2010146809A (ja) * 2008-12-17 2010-07-01 Honda Motor Co Ltd 燃料電池システム
JP2010146810A (ja) * 2008-12-17 2010-07-01 Honda Motor Co Ltd 燃料電池システム
KR101655619B1 (ko) * 2014-12-17 2016-09-07 현대자동차주식회사 연료전지의 막 가습기 및 이를 이용한 공기흐름 시스템
KR20190138528A (ko) * 2018-06-05 2019-12-13 코오롱인더스트리 주식회사 연료전지용 막가습기
US10658688B2 (en) * 2017-08-30 2020-05-19 Toyota Jidosha Kabushiki Kaisha Humidifier and fuel cell system having the same

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2010146809A (ja) * 2008-12-17 2010-07-01 Honda Motor Co Ltd 燃料電池システム
JP2010146810A (ja) * 2008-12-17 2010-07-01 Honda Motor Co Ltd 燃料電池システム
KR101655619B1 (ko) * 2014-12-17 2016-09-07 현대자동차주식회사 연료전지의 막 가습기 및 이를 이용한 공기흐름 시스템
US10658688B2 (en) * 2017-08-30 2020-05-19 Toyota Jidosha Kabushiki Kaisha Humidifier and fuel cell system having the same
KR20190138528A (ko) * 2018-06-05 2019-12-13 코오롱인더스트리 주식회사 연료전지용 막가습기

Also Published As

Publication number Publication date
US20230411649A1 (en) 2023-12-21
CA3196328A1 (fr) 2022-06-30
EP4258393A1 (fr) 2023-10-11
CN116583343A (zh) 2023-08-11
KR20220089622A (ko) 2022-06-28

Similar Documents

Publication Publication Date Title
WO2021107679A1 (fr) Cartouche d'humidificateur à pile à combustible et humidificateur à pile à combustible
WO2019235800A1 (fr) Humidificateur à membrane pour pile à combustible
WO2020180169A1 (fr) Humidificateur de membrane pour pile à combustible et pile à combustible équipée dudit humidificateur
WO2021107668A1 (fr) Humidificateur de pile à combustible
WO2019132606A1 (fr) Humidificateur à membrane de pile à combustible capable de commander la direction d'écoulement d'un fluide
WO2021107683A1 (fr) Humidificateur à pile à combustible
WO2022196963A1 (fr) Cartouche pour humidificateur de pile à combustible et humidificateur de pile à combustible
WO2022097870A1 (fr) Cartouche d'humidificateur pour pile à combustible et humidificateur pour pile à combustible
WO2022005089A1 (fr) Humidificateur de pile à combustible
WO2022139172A1 (fr) Cartouche d'humidificateur pour pile à combustible et humidificateur pour pile à combustible
WO2022149819A1 (fr) Humidificateur à membranes de pile à combustible
WO2022191498A1 (fr) Humidificateur membranaire pour pile à combustible
WO2022164141A1 (fr) Cartouche de régulation de débit automatique et humidificateur à membrane de pile à combustible la comprenant
WO2022139169A1 (fr) Système humidificateur pour pile à combustible
WO2022145702A1 (fr) Cartouche d'humidificateur à pile à combustible et humidificateur à pile à combustible
WO2023239058A1 (fr) Boîtier central d'humidificateur pour pile à combustible et humidificateur pour pile à combustible
WO2022164067A1 (fr) Humidificateur à membrane pour pile à combustible et système de pile à combustible le comprenant
WO2023239057A1 (fr) Boîtier central d'humidificateur pour pile à combustible et humidificateur pour pile à combustible
WO2022265294A1 (fr) Humidificateur à membrane de pile à combustible
WO2023243862A1 (fr) Unité d'emballage pour humidificateur de pile à combustible et humidificateur de pile à combustible
WO2022265295A1 (fr) Humidificateur à membrane de pile à combustible
WO2022191557A1 (fr) Système de pile à combustible capable d'ajuster un débit de dérivation
WO2022164140A1 (fr) Humidificateur à membrane de pile à combustible et système de pile à combustible le comprenant
WO2022145692A1 (fr) Humidificateur pour pile à combustible
WO2022145791A1 (fr) Humidificateur à membrane de pile à combustible

Legal Events

Date Code Title Description
121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 21911239

Country of ref document: EP

Kind code of ref document: A1

ENP Entry into the national phase

Ref document number: 3196328

Country of ref document: CA

WWE Wipo information: entry into national phase

Ref document number: 202180081792.8

Country of ref document: CN

NENP Non-entry into the national phase

Ref country code: DE

ENP Entry into the national phase

Ref document number: 2021911239

Country of ref document: EP

Effective date: 20230705